LB2518T681K

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Fixed inductors are components that inductively store electrical energy and are characterized by their inductance. The LB2518T681K is a fixed inductor from TDK Corporation, one of the leading producers of passive components. It is created by winding thin layers of conductive coils around a ferrite rod, creating a magnetic field.

This specific device is a type of power inductor, which is designed to handle higher peak currents while still providing fairly low DC resistance. It has an inductance value of 680µH along with a rated current of 800mA (max) and saturation current of 1.2A (max). The device also has an operating temperature range of -40°C to 85°C, and a self-resonant frequency of 1.2MHz.

The LB2518T681K is commonly used in various types of power electronics, such as DC-DC power converters, DC-AC inverters, and current-mode power supplies. Its relatively low DC resistance and high saturation current enable it to handle the high peak currents associated with these applications. Additionally, its self-resonant frequency of 1.2MHz is within the operating frequency range of most typical power electronics.

The LB2518T681K employs a simple yet efficient working principle. When a voltage is applied to the device, it induces an electric current in the coils, which creates a magnetic field within the parts of the ferrite core. This magnetic field interacts with the core and produces a potent inductive voltage with a higher magnitude than the applied voltage. This voltage is then outputted from the device, thus storing electrical energy.

The LB2518T681K is one of the most popular fixed inductors available in the market today. With its low DC resistance and high saturation current, it is the ideal component for applications in power electronics, such as DC-DC power converters, DC-AC inverters, and current-mode power supplies. It also has a relatively high self-resonant frequency, making it suitable for use in these applications. It is a reliable and cost-effective component, making it an ideal option for those requiring such devices.

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